<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org"
      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
      layout:decorate="~{layout/layout}">
<head>

</head>
<body>

<div layout:fragment="content">
    <h1 th:text="#{error}">出错了！</h1>
</div>

</body>
</html>